Home / 572,031.60-858,047.40-545,787.60

Finding the Fourth Proportional to 572,031.60, 858,047.40 and 545,787.60

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Solution

The fourth proportional to 572,031.60, 858,047.40 and 545,787.60 is: 818,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,031.60 : 858,047.40 = 545,787.60 : x
  2. Step 2: Convert to fraction form
    572,031.60/858,047.40 = 545,787.60/x
  3. Step 3: Cross multiply
    572,031.60x = 858,047.40 × 545,787.60
  4. Step 4: Simplify right side
    572,031.60x = 468,311,631,132.24
  5. Step 5: Solve for x
    x = 468,311,631,132.24/572,031.60
  6. Step 6: Final answer
    x = 818,681.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.